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Authors
Thørrisen, Mikkel Magnus http://orcid.org/0000-0001-9869-6541
Skogen, Jens Christoffer
Kjeken, Ingvild
Jensen, Irene
Aas, Randi Wågø
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Funding
Funding for this research was provided by:
Norwegian Directorate of Health
Research Council of Norway
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Article History
Received: 22 February 2019
Accepted: 18 June 2019
First Online: 26 June 2019
Ethics approval and consent to participate
: The study was approved by the Norwegian centre for research data (NSD; reference no. 58038). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
